Catalogue of the positions and proper motions of 7727 stars. Re-observation by photography of the Astronomische Gesellschaft zone between declinations +55° and +60°, reduced to 1875.0 without applying proper motions.
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| Formato: | Livro |
| Idioma: | inglês |
| Publicado em: |
New Haven
Observatory
1930
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| Colecção: | Transactions of the Astronomical Observatory of Yale University.
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